*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}
.bg{
    background: no-repeat center/cover url("./image/back.jpg");
    width: calc(100vw + 60px);
    height: calc(100vh + 60px);
    position: absolute;
    z-index: -1;
    top: -30px;
    left: -30px;
}
.loading-text{
    font-size: 50px;
    color: white;
}